1. Do Now 12/3/09 Take out HW from last night. Take out HW from last night. Punchline worksheets #57 & #58 Punchline worksheets #57 & #58 Copy HW in your planner. Copy HW in your planner. Text page 185, #12-36 evens; #42-46 evens Text page 185, #12-36 evens; #42-46 evens

2. Homework “Why Aren’t Dragons Hungry on Weekends?” THEY FEAST ON WEAK KNIGHTS “Why Did the Candle Fall in Love?” HE MET THE PERFECT MATCH

3. Objective SWBAT write fractions in simplest form and write equivalent fractions. SWBAT write fractions in simplest form and write equivalent fractions.

4. What Do You See? Section 4.3 “EQUIVALENT FRACTIONS”

5. The first of these fractions 1/5 is in SIMPLEST FORM because the numerator and denominator have no common factors. To SIMPLIFY fractions divide the numerator and denominator by common factors.

6. EQUIVALENT FRACTIONS- two fractions are equivalent if they represent the same quantity. = = A fraction is in SIMPLEST FORM if its numerator and denominator have a greatest common factor of 1.

7. EQUIVALENT FRACTIONS- multiplying the numerator and denominator of a fraction by the same nonzero number x x = x x = x x =

8. Simplifying Fractions = When simplifying fractions, look for the greatest common factor in the numerator and denominator. Then divide. = = =

9. Simplify the Following Fractions = = = =

10. Which Three Fractions Are Equivalent???

11. Simplify Variable Expressions To simplify a variable expression, you can factor the numerator and denominator and then divide out any common factors. To simplify a variable expression, you can factor the numerator and denominator and then divide out any common factors. A variable expression is in SIMPLEST FORM if the numerator and denominator have no factors in common other than 1. A variable expression is in SIMPLEST FORM if the numerator and denominator have no factors in common other than 1.

12. Simplify the following fractions

13. Homework Text page 185, #12-36 evens; #42-46 evens Text page 185, #12-36 evens; #42-46 evens 24